Image
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Rain disappears in mid-air
Image: NWS San Diego
When precipitation occurs, we expect to see and feel it on the ground. However, not all precipitation reaches the ground, and when this happens, we call it virga.
In August 2015, Jason Martinez from News 10 reported on virga in San Diego. Countless others have taken to social media to share rain that disappears as it falls to the ground. Of course, rain doesn't just disappear, it evaporates, and what we are witnessing is the mid-air evaporation of rain. This phenomenon can serve as an interesting entry-point into the water cycle and local weather.
What causes rain? Where does the rain go if it doesn't hit the ground? Why does virga happen sometimes but not others?
Resources
San Diego Union-Tribune, Rain falls on a sunny day
San Diego CBS 8, Matt's MicroClimate Definitions
Type
Phenomena
Subject
Earth and Space Science
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